This is the link for the Theia lens controller test program.  This program allows the user to manually control the motorized lens functions.  Communication with the controller board can be through USB, i2c, or UART.  

https://www.dropbox.com/sh/h4stagldkm8jnj0/AAAq9om9F7FcgHkK1YhTZDXCa?dl=0

This software is provided as is and without warrantee.  Any software we published (source or compiled) that is intended to control the MotDrv boards from other hardware (i.e. PC, Raspberry Pi) is given for demonstration purposes only with no usefulness or functionality expected or implied. You are free to use it as they see fit - free of charge - but by such use you are accepting full responsibility for any consequences of such use, including but not limited to any financial obligations.